#include<bits/stdc++.h>
using namespace std;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    cin>>n;
    int a[100000],b[100000],c=0;
    for(int i=1;i<=100000;i++){
        b[i]=0;
    }
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n;i++){
        b[a[i]]++;
    }
    for(int i=1;i<=100000;i++){
        if(b[i]>c){
            c=b[i];
        }
    }
    cout<<c;
    return 0;
}
